body {
  border: 1px solid transparent;
  overflow-x: hidden;
  font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  position: relative;
  font-size: 14px;
  line-height: 1.42857143;
  color: #333;
  background-color: #ebebeb;
}
.container {
  margin: 200px auto;
}
.container form > div {
  width: 40%;
  margin: 20px auto;
}
.container form > div .help-block {
  text-align: left !important;
}
.container form > div input {
  width: 100%;
  height: 32px;
  display: block;
  border: 1px solid #cccccc;
  outline: none;
  padding-left: 20px;
  border-radius: 6px;
}
.container form input[type=submit] {
  width: 40%;
  text-align: center;
  margin: 0 auto;
  height: 32px;
  display: block;
  border: 1px solid #cccccc;
  outline: none;
  padding-left: 20px;
  border-radius: 6px;
  background: #ecba27;
  color: #ffffff;
}
.container form input[type=submit]:hover {
  background: #e67e22;
}
